LSST Applications  21.0.0-172-gfb10e10a+18fedfabac,22.0.0+297cba6710,22.0.0+80564b0ff1,22.0.0+8d77f4f51a,22.0.0+a28f4c53b1,22.0.0+dcf3732eb2,22.0.1-1-g7d6de66+2a20fdde0d,22.0.1-1-g8e32f31+297cba6710,22.0.1-1-geca5380+7fa3b7d9b6,22.0.1-12-g44dc1dc+2a20fdde0d,22.0.1-15-g6a90155+515f58c32b,22.0.1-16-g9282f48+790f5f2caa,22.0.1-2-g92698f7+dcf3732eb2,22.0.1-2-ga9b0f51+7fa3b7d9b6,22.0.1-2-gd1925c9+bf4f0e694f,22.0.1-24-g1ad7a390+a9625a72a8,22.0.1-25-g5bf6245+3ad8ecd50b,22.0.1-25-gb120d7b+8b5510f75f,22.0.1-27-g97737f7+2a20fdde0d,22.0.1-32-gf62ce7b1+aa4237961e,22.0.1-4-g0b3f228+2a20fdde0d,22.0.1-4-g243d05b+871c1b8305,22.0.1-4-g3a563be+32dcf1063f,22.0.1-4-g44f2e3d+9e4ab0f4fa,22.0.1-42-gca6935d93+ba5e5ca3eb,22.0.1-5-g15c806e+85460ae5f3,22.0.1-5-g58711c4+611d128589,22.0.1-5-g75bb458+99c117b92f,22.0.1-6-g1c63a23+7fa3b7d9b6,22.0.1-6-g50866e6+84ff5a128b,22.0.1-6-g8d3140d+720564cf76,22.0.1-6-gd805d02+cc5644f571,22.0.1-8-ge5750ce+85460ae5f3,master-g6e05de7fdc+babf819c66,master-g99da0e417a+8d77f4f51a,w.2021.48
LSST Data Management Base Package
Public Member Functions | List of all members
lsst::afw::image::pixel::variance_multiplies< T1 > Struct Template Reference

Calculate the variance when we multiply two Pixels. More...

#include <Pixel.h>

Public Member Functions

T1 operator() (T1 const &x, T1 const &y, T1 const &vx, T1 const &vy) const
 
T1 operator() (T1 const &, T1 const &y, T1 const &vx) const
 

Detailed Description

template<typename T1>
struct lsst::afw::image::pixel::variance_multiplies< T1 >

Calculate the variance when we multiply two Pixels.

Note
We provide a single-operand version for when the right-hand-side of an expression is a scalar, not a masked pixel,

Definition at line 376 of file Pixel.h.

Member Function Documentation

◆ operator()() [1/2]

template<typename T1 >
T1 lsst::afw::image::pixel::variance_multiplies< T1 >::operator() ( T1 const &  ,
T1 const &  y,
T1 const &  vx 
) const
inline

Definition at line 383 of file Pixel.h.

383 { return vx * y * y; }
int y
Definition: SpanSet.cc:48

◆ operator()() [2/2]

template<typename T1 >
T1 lsst::afw::image::pixel::variance_multiplies< T1 >::operator() ( T1 const &  x,
T1 const &  y,
T1 const &  vx,
T1 const &  vy 
) const
inline

Definition at line 377 of file Pixel.h.

377  {
378  T1 const x2 = x * x;
379  T1 const y2 = y * y;
380  return x2 * vy + y2 * vx;
381  }
double x

The documentation for this struct was generated from the following file: